Toward a Minimal Representation of Aerosols in Climate Models : Comparative Decomposition of Aerosol Direct, Semidirect, and Indirect Radiative Forcing
The authors have decomposed the anthropogenic aerosol radiative forcing into direct contributions from each aerosol species to the planetary energy balance through absorption and scattering of solar radiation, indirect effects of anthropogenic aerosol on solar and infrared radiation through droplet and crystal nucleation on aerosol, and semidirect effects through the influence of solar absorption on the distribution of clouds. A three-mode representation of the aerosol in version 5.1 of the Community Atmosphere Model (CAM5.1) yields global annual mean radiative forcing estimates for each of these ...
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Ghan, S. J.; Liu, Xiaohong; Easter, R. C.; Zaveri, R.; Rasch, P. J.; Yoon, J.-H.; Eaton, B.
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Effects of near-source coagulation of biomass burning aerosols on global predictions of aerosol size distributions and implications for aerosol radiative effects Author(s):Ramnarine, Emily
Date Submitted:2018Biomass burning is a significant global source of aerosol number and mass. In fresh biomass burning plumes, aerosol coagulation reduces aerosol number and increases the median size of aerosol size distributions, impacting ...
Dust aerosol impact on North Africa climate : A GCM Investigation of Aerosol-Cloud-Radiation Interactions using A-Train Satellite Data Author(s):Gu, Y.; Liou, K. N.; Jiang, J. H.; Su, H.; Liu, Xiaohong
Date:2012-02-15The climatic effects of dust aerosols in North Africa have been investigated using the atmospheric general circulation model (AGCM) developed at the University of California, Los Angeles (UCLA). The model includes an ...
Sensitivity Study of Radiative Fluxes at the Top of Atmosphere to Cloud-Microphysics and Aerosol Parameters in the Community Atmosphere Model CAM5, A Author(s):Zhao, C.; Liu, Xiaohong; Qian, Y.; Yoon, J.; Hou, Z.; Lin, G.; McFarlane, S.; Wang, H.; Yang, B.; Ma, P.-L; Yan, H.; Bao, J.
Date:2013-11-08In this study, we investigated the sensitivity of net radiative fluxes (FNET) at the top of atmosphere (TOA) to 16 selected uncertain parameters mainly related to the cloud microphysics and aerosol schemes in the Community ...